package proxy_jdk;

import java.util.List;

/**
 * 定义一个接口，规律了customer增删改查的标准操作
 */
public interface CustomerCRUD {

    public void addCustomer(Customer customer);

    public void deleteCustomer(String id);

    public void updateCustomer(Customer customer);

    public List<Customer> queryAllCustomers();

}
